body {
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
    font-family: Arial, sans-serif;
  }
  
  .list-container {
    width: 80%;
    margin: 50px auto;
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  }
  
  h1 {
    text-align: center;
    margin-top: 0;
  }
  
  ul {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-y: scroll;
    max-height: 200px;
  }
  
  li {
    padding: 10px;
    border-bottom: 1px solid #ccc;
  }
  
  @media screen and (max-width: 768px) {
    .list-container {
      width: 90%;
    }
  }